#app {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  font-size: 16px;
}

header {
  height: 44px;
  border-bottom: 1px solid #ccc;
  display: flex;
}

a {
  text-decoration: none;
  color: #ccc;
  flex: 1;
  text-align: center;
  line-height: 44px;
}

.router-link-active {
  color: #000;
  font-weight: 900;
  border-bottom: 2px solid #ffeb8b;
}
